10561240 has 16 divisors (see below), whose sum is σ = 23762880. Its totient is φ = 4224480.

The previous prime is 10561237. The next prime is 10561253. The reversal of 10561240 is 4216501.

It is a super-2 number, since 2×10561240² = 223079580675200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131976 + ... + 132055.

It is an arithmetic number, because the mean of its divisors is an integer number (1485180).

Almost surely, 2^10561240 is an apocalyptic number.

10561240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10561240 is an abundant number, since it is smaller than the sum of its proper divisors (13201640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10561240 is a wasteful number, since it uses less digits than its factorization.

10561240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264042 (or 264038 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 10561240 is about 3249.8061480648. The cubic root of 10561240 is about 219.4008490846.

Adding to 10561240 its reverse (4216501), we get a palindrome (14777741).

It can be divided in two parts, 10561 and 240, that added together give a palindrome (10801).

The spelling of 10561240 in words is "ten million, five hundred sixty-one thousand, two hundred forty".